Spade blade



FIG. 1 is an isometric view of the spade blade;

FIG. 2 is a top view of the spade blade;

FIG. 3 is a bottom view of the spade blade;

FIG. 4 is a right view of the spade blade;

FIG. 5 is a left view of the spade blade;

FIG. 6 is a front view of the spade blade; and,

FIG. 7 is a back view of the spade blade.

The broken lines in the drawings depict environmental subject matteronly and form no part of the claimed design.

CLAIM The ornamental design for a spade blade, as shown and described.